C51非阻塞延时流水灯 -

#include

本文引用地址: http://www.21ic.com/app/mcu/201807/785364.htm

unsigned char counter=0;

void delay()interrupt 1 using 1

{

TL0|=0x00;

TH0=0x4C;

counter++;

}

main()

{

unsigned char i=1;

TMOD=1;

TR0=1;

EA=1;

ET0=1;

TH0=0x4C;

TL0=0x00;

while(1)

{

if(counter==10)

{

counter=0;

P1=~i;

i<<=1;

if(i==0)

i=1;

}

}

}

采用T0方式1定时，11.0592Mhz晶振，延时50ms。